Extended Playtime: Built-in Li-Ion 2200mAh rechargeable battery guarantees up to 12 hours playtime in 75% volume. Recharge in just 3-4 hours with included micro USB cable. Reminder: This product is designed, manufactured and exclusively sold by DOSS.

Product Reviews:

Incredible Sound: Powered by dual 12W stereo drivers, this portable bluetooth speaker delivers stunning sound with enhanced bass, tight mids and crystal clear highs without distortion at any volume. Moreover, the speaker comes with a built-in microphone. Compact and Long Playtime: With its small size and lightweight, the bluetooth speaker can be carried around in your hand, hooked to your bag, or even your bike. Up to 12 hours playtime help you take this portable speaker anywhere. IPX6 Waterproof, Dustproof, Crashproof: The bluetooth speaker is made of special textile fabric materials, which protect it against water, sand, and dust. Even more, the durable silicone housing and port cover make the speaker shock resistant. Bluetooth 4.1 and 3 Output Modes: Bluetooth 4.1 connects stably from up to 33 feet away, and is compatible with all Bluetooth-enabled devices.